Inyama yenkomo eyingozi (isifo senkomo esihlanyayo siyingozi kubantu)

Isifo esisha esesabekayo esibangelwa igciwane elifanayo elibanga isifo senkomo, lesi sifo sibizwai-encephalitis yenkomo. Isizathu sokuthi ngingacacisi ukuthi igciwane liyini yingoba ososayensi abakalazi ukuthi liyini.

Kunemibono eminingi mayelana nokuthi hlobo luni lwegciwane, futhi okuvame kakhulu kubo ukuthi i-prion - ingxenye eyinqaba yeprotheni engakwazi ukuguqula isimo sayo, khona-ke inhlamvu yesihlabathi engenakuphila, bese iba ngokuzumayo. into ephilayo, esebenzayo futhi ebulalayo. Kodwa akekho owaziyo ngempela ukuthi kuyini. Ososayensi abazi nokuthi izinkomo zilithola kanjani leli gciwane. Abanye bathi izinkomo zitheleleka ngezimvu ezinesifo esifanayo, abanye abahambisani nalo mbono. Okuwukuphela kwento okungekho ngxabano ngayo ukuthi i-bovine encephalitis idluliselwa kanjani. Lesi sifo siyisici sase-UK ngoba, ezimweni zemvelo, izinkomo zidla futhi zidla utshani namaqabunga kuphela, futhi izilwane zasemapulazini zondliwa ngezingcezu ezichotshoziwe zezinye izilwane, phakathi kwazo zifika ebuchosheni lapho leli gciwane lihlala khona. Ngakho, lesi sifo siyasakazeka. Lesi sifo kusamele selapheke. Ibulala izinkomo futhi ingaba yingozi kwezinye izilwane ezifana namakati, ama-mink, ngisho nenyamazane ephakelwa inyama yenkomo engcolile. Abantu banesifo esifanayo esibizwa ngokuthi Isifo se-Cretzvelt-Jakob (CJD). Kube nokuphikisana nokuphikisana ngokuthi ngabe lesi sifo siyefana yini ne-bovine encephalitis nokuthi abantu bangagula yini ngokudla inyama yenkomo enegciwane. Eminyakeni eyishumi ngemva kokutholakala kwe-bovine encephalitis ngo-1986, izikhulu zikahulumeni waseBrithani zathi abantu abakwazi ukuthola lesi sifo nokuthi i-CJD iyisifo esihluke ngokuphelele - ngakho inyama yenkomo ingadliwa iphephile. Njengendlela yokuzivikela, bagcina sebememezela ukuthi ubuchopho, ezinye zezindlala, nezigelekeqe zemizwa ezigijima emgogodleni kwakungamelwe zidliwe. Ngaphambi kwalokhu, lolu hlobo lwenyama lwalusetshenziselwa ukupheka Burgers и ama-pie. Phakathi kuka-1986 no-1996, okungenani izinkomo zaseBrithani ezingu-160000 zatholakala zine-bovine encephalitis. Lezi zilwane zabhujiswa, futhi inyama ayizange isetshenziselwe ukudla. Nokho, omunye usosayensi ukholelwa ukuthi izinkomo ezingaphezu kwezigidi ezingu-1.5 zazinalesi sifo, kodwa lesi sifo asizange sibonise izimpawu. Ngisho nemininingwane kahulumeni wase-UK ikhombisa ukuthi kuyo yonke inkomo eyaziwa ukuthi iyagula, kunezinkomo ezimbili ezaziwa ukuthi azinasifo esaziwayo. Nenyama yazo zonke lezi zinkomo ezinegciwane yayisetshenziselwa ukudla. Ngo-March 1996, uhulumeni wase-UK waphoqeleka ukuba avume izono. Iveze ukuthi maningi amathuba okuthi abantu bathole lesi sifo ngezinkomo. Lokhu kube yiphutha elikhulu ngoba izigidi zabantu zidle inyama engcolile. Kuphinde kwaba nesikhathi seminyaka emine ngemuva kwalokho abakhiqizi bokudla bavalwa ukuthi bakusebenzise Ubuchopho и izinzwa, kuyilapho lezi zingcezu zenyama ezingenwe izifo zazivame ukudliwa. Ngisho nangemva kokuba uhulumeni elivumile iphutha lakhe, usagcizelela ukuthi manje kungashiwo ngomthwalo wemfanelo ogcwele ukuthi zonke izingxenye eziyingozi zenyama ziyasuswa ngakho-ke, kuphephe kakhulu ukudla inyama yenkomo. Kodwa engxoxweni eqoshwe ngocingo, usihlalo wophiko lwezilwane kwiMeat Control Commission, inhlangano kazwelonke ebhekele ukuthengiswa kwenyama ebomvu, uvumile ukuthi i-bovine encephalitis virus itholakala kuzo zonke izinhlobo zenyama, ngisho nezinyama ezithambile. Leli gciwane lingatholakala ngemithamo emincane, kodwa akekho ongasho ngokuqiniseka ukuthi izoba yini imiphumela yokudla umthamo omncane waleli gciwane ngenyama. Esikwaziyo nje ukuthi kuthatha iminyaka eyishumi kuya kwamashumi amathathu ukuthi izimpawu ze-bovine encephalitis, noma i-CJD, zibonakale kubantu, futhi lezi zifo zihlala zibulala ungakapheli unyaka. Nizongijabulisa ukuzwa ukuthi angazi nelilodwa icala lomuntu obulawa wushevu we-carrot.

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